
h4 {
    margin-left: 40px;
    text-align: center;
}

.modal {
    display: none;
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    display: flex;
    flex-flow: column nowrap;
    justify-content: space-between;
    width: 50%;
    max-width: 700px;
    height: 40%;
    max-height: 500px;
    margin: 100px auto;
    border-radius: 10px;
    background-color: #fff;
    -webkit-animation: zoom 0.6s;
    animation: zoom 0.6s;
    resize: both;
    overflow: auto;
}

@-webkit-keyframes zoom {
    from {
        -webkit-transform: scale(0)
    }
    to {
        -webkit-transform: scale(1)
    }
}

@keyframes zoom {
    from {
        transform: scale(0)
    }
    to {
        transform: scale(1)
    }
}

.modal-header {
    box-sizing: border-box;
    border-bottom: 1px solid #ccc;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close {
    color: #b7b7b7;
    font-size: 30px;
    font-weight: bold;
    margin-right: 20px;
    transition: all 0.3s;
}

.close:hover, .close:focus {
    color: #95b4ed;
    text-decoration: none;
    cursor: pointer;
}

.modal-body {
    padding: 10px;
    font-size: 16px;
    box-sizing: border-box;
}

.modal-footer {
    box-sizing: border-box;
    border-top: 1px solid #ccc;
    display: flex;
    padding: 15px;
    justify-content: flex-end;
    align-items: center;
}

.modal-footer button {
    width: 60px;
    height: 35px;
    padding: 5px;
    box-sizing: border-box;
    margin-right: 10px;
    font-size: 16px;
    color: white;
    border-radius: 5px;
    background-color: cornflowerblue;
}

.modal-footer button:hover, .modal-footer button:focus {
    background-color: #95b4ed;
    cursor: pointer;
}

@media only screen and (max-width: 700px) {
    .modal-content {
        width: 80%;
    }
}

#MainBox {
    flex: 1;
    justify-content: center;
    margin: auto;
    width: 250px;
    height: 300px;
}

#btn {
    margin: auto;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    justify-content: center;
    line-height: 150px;
    font-size: 18px;
    display: flex;
    color: #59c2c5;
    box-shadow: 24px 24px 36px rgba(0, 0, 0, 0.2), -24px -24px 36px rgba(255, 255, 255, 1);
    transition: all .2s ease-out;
}

#btn:hover {
    cursor: pointer;
    font-size: 16px;
    box-shadow: 0 0 0 rgba(0, 0, 0, 0.2),
    0 0 0 rgba(255, 255, 255, 0.8),
    inset 24px 24px 40px rgba(0, 0, 0, 0.1),
    inset -24px -24px 40px rgba(255, 255, 255, 1);
    text-shadow: 0 0 10px #59c2c5, 0 0 20px #59c2c5, 0 0 30px #59c2c5, 0 0 40px #59c2c5;
}

#StudentBox {
    margin: auto;
    display: flex;
    width: 420px;
    height: 400px;
    justify-content: center;
}

.students {
    background-color: #00f7de;
    width: 100px;
    height: 100px;
    text-align: center;
    border-radius: 50%;
    justify-content: center;
    line-height: 100px;
    margin: auto;
}

.students:hover {
    cursor: pointer;
}